51442555524415 has 32 divisors (see below), whose sum is σ = 68019259645440. Its totient is φ = 37037161392000.

The previous prime is 51442555524377. The next prime is 51442555524421.

51442555524415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51442555524415 - 2³⁹ = 50892799710527 is a prime.

It is a super-2 number, since 2×51442555524415² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39279526 + ... + 40568044.

It is an arithmetic number, because the mean of its divisors is an integer number (2125601863920).

Almost surely, 2^{51442555524415} is an apocalyptic number.

51442555524415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51442555524415 is a deficient number, since it is larger than the sum of its proper divisors (16576704121025).

51442555524415 is a wasteful number, since it uses less digits than its factorization.

51442555524415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295823.

The product of its digits is 16000000, while the sum is 52.

The spelling of 51442555524415 in words is "fifty-one trillion, four hundred forty-two billion, five hundred fifty-five million, five hundred twenty-four thousand, four hundred fifteen".